Chattanooga weather alerts

There are no active weather alerts for Chattanooga, TN right now.

The National Weather Service issues alerts for Chattanooga as part of Hamilton County.

Updated 1:03 PM CST from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

Map data: NWS, OpenFreeMap, OpenStreetMap

Tornado history within 25 miles of Chattanooga

96 tornadoes have been recorded within 25 miles of Chattanooga since 1950, killing 53 people and injuring 822. The most recent was on March 2, 2023 (rated EF0).

Tornadoes by (E)F rating

Strongest tornadoes within 25 miles of Chattanooga

Date	Rating	County	Path length	Width	Deaths	Injuries
April 27, 2011	EF4	—	48 mi	800 yd	20	335
April 27, 2011	EF4	DeKalb County	47 mi	1,260 yd	14	50
April 27, 2011	EF4	Sequatchie County	40.2 mi	880 yd	4	12
April 27, 2011	EF4	Jackson County	20.2 mi	1,320 yd	1	0
April 3, 1974	F3	Bradley County	21.2 mi	500 yd	3	50

Most recent tornadoes

Date	Rating	County	Path length	Width	Deaths	Injuries
March 2, 2023	EF0	Marion County	0.3 mi	100 yd	0	0
March 2, 2023	EF0	Hamilton County	2.2 mi	100 yd	0	0
April 12, 2020	EF1	Bradley County	5.1 mi	500 yd	0	0
April 12, 2020	EF2	Bradley County	3 mi	500 yd	0	6
April 12, 2020	EF3	—	19.3 mi	1,500 yd	2	18

Tennessee tornado history and map →

How often alerts are issued for Hamilton County

Alert type	2016–2025	Last issued
Severe Thunderstorm Warning	225	September 21, 2026
Flood Advisory	161	September 23, 2026
Flood Warning	122	August 13, 2025
Dense Fog Advisory	51	November 6, 2026
Wind Advisory	47	October 10, 2026
Flood Watch	43	October 10, 2026
Flash Flood Warning	39	August 12, 2026
Severe Thunderstorm Watch	37	August 17, 2026
Tornado Watch	37	March 16, 2026
Freeze Warning	34	November 2, 2023

Full Hamilton County alert history →

About Chattanooga

Population: 191,496 (2024 estimate)
County: Hamilton County
State: Tennessee